Remove the old ultrafine filter
▶ Loosen and fold back the two clamping strips on the ultrafine filter ①.
▶ If possible, bring the house into the open.
▶ Carefully remove the ultrafine filter ① from the housing. Make sure no fine dust
enters the housing.
▶ Pack the dirty ultrafine filter ① in a dust-tight plastic bag ② and dispose of prop‐
erly.
▶ Vacuum up any residual dust in the filter compartment with a BIA-compliant
vacuum cleaner.
Install a new ultrafine filter.
▶ Insert the new ultrafine filter into the housing with the opening facing downward.
▶ Fix the ultrafine filter with the two clamping strips.
Instructions for use SMARTair plus, SMARTair plus mobile
7 Cleaning and servicing | 7.2 Servicing
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